PS/2 to RS-232 Keyboard Adapter

[klode]

Hi guys!

I'm searching for a method to adapting a PS/2 Keyboard to a RS-232 serial port.
The scope is to read the bits of each key pressed from the keyboard. With a simple software, I remain to listen on this COM port.

I've realized a simpele connection:

[PS/2]DATA --> RX[RS232]
[PS/2]VCC --> VCC[RS232]
[PS/2]GND --> GND[RS232]

The problem is that I receive a sequence of bit 0, and then when I press a key (for example, the "1" key, with bit configuration 0x110001), I don't receive exactly this sequence.


Do you have any idea?


Thanks for your help!

 

[yjkwon57]

PS/2 port is a special usage of the serial port. And, you might understand the scan code.

 

[ds18s20]

So any productive answer so far?

 

[nlksg]

Hi,

Not the answer but I found some interesting site here.

This guy got some circuit and code for interfacing PS/2 device to microcontroller.
Fabrizio Iacopetti's Web site
https://www.fiacopetti.it/index_en.htm


This guy seems like so free and help his friend to recover old 122 key Memorex telex keyboard and convert it to RS232 output.
https://www.xs4all.nl/~loosen/memorex_telex/index.html

nlksg